import sun.rmi.server.InactiveGroupException;

public class IntegerTest {
    public static void main(String[] args) {
        Integer a = 100;
        Integer b = 100;
        System.out.println(a == b);
        Integer c = 129;
        Integer d = 129;
        System.out.println( c == d );

        Integer m = new Integer(100);
        Integer n = new Integer(100);
        System.out.println( m == n);
    }
}
